China unveiled new CH-7 Drone: A “Clone” Of Northrop Grumman X-47B Drone. A drone with a significant resemblance to the Northrop Grumman X-47B has been unveiled at China’s biggest Zhuhai 2018 Airshow. China Aerospace Science and Technology Corporation (CASC) has taken the opportunity at the AirShow China 2018 exhibition to unveil …